– (Deborah Horiuchi/Strange World) 1. With just one clip it’s not enough, but with two yes. Unbend one of them by hand until it is bent in half at a 150 degree angle. With pliers, remove the ball from the…

You could say that the nail is little more than a cemetery of cells: the tissue that composes it is formed by cells that die under the skin of the fingers and are continually pushed by new layers that do…

Reader’s question Helenn Ady Ianusz, Itajaí, SCIllustrates Marcos de Lima male surgeryThe most common procedure is metoidoplasty. Duration: 2-3hCost: BRL 45 thousand 1. Doctors make an incision in the skin around the clitoris so as to release the organ from…

Under normal conditions, most of the gases that form farts come from our mouths. Only 10% of these gases arise in the fermentation of food along our large intestine. The rest is nothing more than air that we accidentally swallow…

It is the star VY Canis Majoris, about 2.7 billion km in diameter, that is, more than 3 million times larger than the Sun. However, using the term “astro” to talk about planets, stars, meteors and other structures that make…

Canyons are deep valleys with almost vertical slopes, which can extend for hundreds of kilometers and reach up to 5 thousand meters in depth. At first sight, those who observe these gigantic notches on the surface of the planet could…

The Sem Parar electronic system reads the identification card on the car window and automatically releases the passage through the gates of the toll plazas. The process takes seconds to complete. The contraption registers date, time, square and the cost…

Because, after a long resistance by the Vietnamese, the US government yielded to political and popular pressure and withdrew from the conflict. This move allowed communist North Vietnam to invade and conquer South Vietnam, unifying the nation. With a smaller…

Yes. For a woman weighing 50 kg, three and a half bonbons – each with 6 ml of liqueur – would be enough to raise the blood alcohol level beyond the Brazilian Prohibition limit. In the case of a 70…

(Nevit Dilmen (talk)/Wikimedia Commons) One of the main differences is the type of wave used in each device. The so-called X-rays are waves of higher energy and very short length, capable of penetrating the human body. The body scanner, on…